detective gibson in 2014. >> and the defense had insights on detective gibson. they claimed in 2013 he was an overly eager newly promoted detective, assigned to crimes against seniors, this was his first murder case. >> he transferred from canine officer to elder service officers, and around the same time he went to a one-week course on being a lead detective in the homicide case. he embarked on this investigation that led to my indictment. >> finally the defense's medical expert concluded, there was only one possible explanation for cory's death. she had a history of drinking and falling. and that caused that abrasion and cut. the bottom line, she was an alcoholic and billy mick suffering from a liver disease. someone who unfortunately died of natural causes. >> she is not a normal 30 year old woman. she has a significant disease